malignant neoplasm 恶性肿瘤
benign neoplasm 良性肿瘤
neoplastic growth 肿瘤性增长
A: The doctor said the neoplasm is benign.
A：医生说那个肿瘤是良性的。
B: That is a relief; I was worried it might be malignant.
B：那我就放心了；我刚才还担心它会是恶性的。
1) 肿瘤
2) 新生物
3) 异常增生的组织
1. 肿瘤；新生物
noun
1. an abnormal growth of tissue, such as a tumor
Synonym: tumor, growth